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Harrizon [31]
3 years ago
7

I need help on 3 and 4 please I'm very confused and can not answer these questions I'm in sixth grade and it's hard

Chemistry
1 answer:
OverLord2011 [107]3 years ago
4 0
D. Wind will always move from areas of high pressure to low pressure. It's the reason we have weather, or one of them. Temperature is another factor.

B. That is the definition of the greenhouse effect.
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During dehydration synthesis, an enzyme removes a ____________ functional group from the monomers of one organic molecule and a
Reika [66]

Linking monomers together to form a polymer .This chemical reaction also forms water molecules.

<h3>What is Polymerization?</h3>

This is a type of reaction which involves the linking of two or more monomers to form a polymer.

Dehydration reaction forms water molecules as part of the product thereby making it the most appropriate choice.

Read more about Dehydration here brainly.com/question/1301665

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3 0
2 years ago
Which of these is NOT true about electromagnets?
Alex17521 [72]

Answer:

Permanent = false

Explanation:

All of the other choices are true

4 0
2 years ago
, Hydrocarbons are compounds that contain(1) carbon, only(2) carbon and hydrogen, only(3) carbon, hydrogen, and oxygen, only(4)
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Hydrocarbons are compounds formed by only hydrogen atoms and carbon.

Answer (2)

hope this helps!
4 0
3 years ago
Kevlar is a synthetic polymer that was marketed for the first time in 1971. It is difficult to cut and does not shrink when expo
lubasha [3.4K]
C. because it doesn't break down without chemicals, so it would eventually just pile up.
3 0
4 years ago
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What is the mass of KNO3(s) that must dissolve in 100. grams of water to form a saturated solution at 50.oC?
Ostrovityanka [42]
The solubility of substance depends upon the temperature. In present case, the solubility of KCl is 84g/100g at <span>50.oC. 

This means that, maximum 84g of KCl can be dissolved in 100g of water (at </span>50.oC) to form solution. This solution is referred as saturated solution. 

Thus, 84g of <span>KNO3 must be dissolve in 100 grams of water to form a saturated solution at 50 oC.</span>
4 0
4 years ago
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